Gunsmith Tools & SuppliesBirchwood CaseySold by Brownells

Birchwood Casey

Master Screwdriver Set - Master Screwdriver Set 84 Piece

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

84-piece Screwdriver

Set from Birchwood Casey

Includes Slotted,

Phillips, Pozidriv, Torx, and security

Covers Hex,

Square, spanner, and tri-wing drive

Includes Four

50mm bit pairs for added

Comes 25mm

A 25mm socket adapter and

$50.69
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SKU: 100048008

Overview

Built for maintenance and assembly tasks, this 84-piece screwdriver kit gives hunters and outdoor users a broad selection of bit types in one organized set. It includes slotted, Phillips, Pozidriv, Torx, security Torx, hex, square, spanner, and tri-wing bits, along with several longer bits, a socket adapter, and a bit extension for reaching recessed fasteners. That range makes it well suited for working on gear that uses mixed fastener styles, especially when a single compact kit is easier to carry than multiple drivers. The set is branded by Birchwood Casey and is aimed at practical shop or field-side use rather than specialized single-purpose work.

Why Hunters Choose the Birchwood Casey

84-piece Kit

Covers a wide range of

Includes Slotted,

Phillips, Pozidriv, Torx, security Torx,

Multiple Bit

Sizes are provided for Phillips,

Comes 50mm

50mm bits, a 25mm socket

Birchwood Casey

Branding offers a recognized name

Key Features

  • 84-piece screwdriver set from Birchwood Casey.
  • Includes slotted, Phillips, Pozidriv, Torx, and security Torx bits.
  • Covers hex, square, spanner, and tri-wing drive types.
  • Includes four 50mm bit pairs for added reach.
  • Comes with a 25mm socket adapter and 60mm bit extension.
  • Packaged as a versatile kit for varied screwdriver applications.

Best Used For

  • For hunters maintaining firearms and gear with mixed fastener types at the bench or camp.
  • For users who need one kit covering slotted, Phillips, Torx, hex, square, spanner, and tri-wing bits.
  • For workshop or range setups where extended bits and a socket adapter improve access to recessed screws.
  • For owners of equipment using security Torx fasteners and specialty drive patterns.
  • For anyone wanting a compact, all-in-one screwdriver set for general outdoor equipment maintenance.

Specifications

50mm Ph BitsPH1 and PH2
50mm Pozidriv BitsPZ1 and PZ2
50mm Slotted BitsSL3 and SL4
50mm Torx BitsT10 and T15
Bit Extension60mm
Hex Bits Imperial1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, A 1/4
Hex Bits Metric1.5, 2, 2.5, 3, 4, 5, 6 mm
Kit Size84 Piece
Phillips BitsPH0, PH1, PH2, PH3 x 2
Pozidriv BitsPZ0, PZ1, PZ2, PZ3
Security Torx BitsT8, T10, T15, T20, T25, T27, T30, T35, T40
Slotted Bits3, 4, 5, 6, 7, 8, 9mm x 2
Socket Adapter25mm
Spanner Bits4, 6, 8, 10
Square BitsS0, S1, S2, S3
Torx BitsT8, T10, T15, T20, T25, T27, T30, T35, T40
Tri Wing BitsY1, Y2, Y3, Y4
Y Type BitIncluded

Pros

  • 84-piece kit covers a wide range of common and specialty fastener types.
  • Includes slotted, Phillips, Pozidriv, Torx, security Torx, hex, square, spanner, and tri-wing bits.
  • Multiple bit sizes are provided for Phillips, slotted, Torx, and Pozidriv applications.
  • Comes with 50mm bits, a 25mm socket adapter, and a 60mm bit extension.
  • Birchwood Casey branding offers a recognized name for tool and maintenance accessories.

Considerations & Trade-offs

  • The kit is broad, but it is a bit specialized; if you only need a few common driver sizes, much of the 84-piece set may go unused.
  • The included bits cover many fastener types, which is useful for varied maintenance, but it also means you’ll need to keep the set organized to avoid misplacing small pieces.
  • The product listing identifies the bit assortment and accessories, but it does not specify a storage case or other carrying details, so portability should be confirmed before purchase.
  • This is a screwdriver bit set rather than a complete tool system, so it is best suited to users who already have a compatible driver/handle and want expanded bit coverage.

Suggested Comparisons

  • Gun maintenance and cleaning tool kits
  • Multi-bit screwdriver sets
  • Precision bit sets
  • Armorer's tool kits

Suggested Accessories

  • Screwdriver bit organizer
  • Bit extension
  • Socket adapter
  • Tool storage case

Frequently Asked Questions

What comes in the 84-piece Master Screwdriver Set?

The kit includes slotted, Phillips, Pozidriv, Torx, security Torx, hex, square, spanner, and tri-wing bits, plus 50mm combination bits, a 25mm socket adapter, a 60mm bit extension, and a Y-type bit.

Does this set include bits for firearm or optics maintenance?

The product data does not specify firearm or optics use. It is a multi-bit screwdriver set with a wide range of drive types and sizes, so suitability depends on the fasteners you need to service.

Are both metric and SAE hex sizes included?

Yes. The listed hex bits include metric sizes from 1.5mm to 6mm and SAE sizes from 1/16 to 1/4.

What Torx sizes are included?

The set lists Torx and security Torx sizes T8, T10, T15, T20, T25, T27, T30, T35, and T40.

Who makes this screwdriver set?

The manufacturer listed in the product data is Birchwood Casey.