Wiha 31-Piece SAE & Metric Ratcheting Wrench Tray Set (30392) is a professional-grade wrench collection built for precise fastening, efficient workflow, and organized storage in demanding work environments. This set includes 13 SAE and 18 metric ratcheting combination wrenches, giving technicians broad coverage for both standard and international fasteners. Made from premium-quality tool steel with a chrome-plated satin finish, the wrenches are designed for durability, corrosion resistance, and reduced glare. Housed in a modular tri-layer foam tray, the set keeps every wrench visible, secure, and easy to access during daily professional use. Key Features and Benefits: 72-tooth ratcheting mechanism: Requires only a 5¡ swing arc, making it highly effective for tight spaces and restricted working angles. 12-point box end design: Applies force to the flat sides of fasteners to help prevent corner rounding and stripping. Dual SAE and metric coverage: Includes 31 total wrenches for compatibility with a wide range of hardware sizes. 15¡ box end offset: Creates better finger and knuckle clearance when working near flat surfaces or obstructions. Angled open-end access: Open end is designed to improve reach and repositioning in confined areas. Chrome-plated satin finish: Helps protect the steel against rust, oil, and chemical exposure while reducing glare. Foam tray organization: Modular tray with high-visibility size markings supports quick identification and inventory control. Specifications: SKU: 30392 UPC: 084705303925 Product Type: SAE & Metric Ratcheting Wrench Tray Set Piece Count: 31 Material: Premium-quality tool steel Finish: Chrome-plated satin Ratcheting Teeth: 72 Swing Arc: 5¡ Box End Style: 12-point Weight: 16.36 lb Width: 15.50 in Length: 22.00 in Height: 1.25 in SAE Sizes Included: 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in, 15/16 in, 1 in Metric Sizes Included: 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm Storage Tray: Laminated tri-layer modular foam tray Included in Purchase: 13 SAE Ratcheting Combination Wrenches, 18 Metric Ratcheting Combination Wrenches, 1 Laminated Tri-Layer Modular Foam Tray How to Use: Select the correct wrench: Identify the fastener size and choose the matching wrench from the foam tray using the printed size callouts. Choose the right end: Use the open end when side access is needed, and use the box end when you want stronger grip and ratcheting action. Seat the wrench fully: Position the wrench securely on the nut or bolt so the contact surfaces sit flush against the fastener. Turn the fastener: Apply steady force to loosen or tighten the hardware while maintaining full tool contact. Use the ratcheting function: Keep the box end on the fastener and move the handle back and forth to advance the fastener without removing the wrench. Reposition as needed: In tighter spots, flip or adjust the wrench angle to make better use of the offset and open-end design. Clean after use: Wipe away oil, grease, or debris to keep the finish in good condition. Return to the tray: Place each wrench back into its designated foam slot to maintain organization and complete inventory. Benefits of Using Wiha 31-Piece SAE & Metric Ratcheting Wrench Tray Set (30392): Speeds up fastening work: The 5¡ swing arc helps users work faster in cramped engine bays, machinery, and tight assemblies. Protects fasteners: 12-point box end design reduces the risk of damaging bolt and nut corners during use. Improves user clearance: Offset angles help keep hands and knuckles away from nearby surfaces. Supports broader compatibility: Combined SAE and metric sizing gives technicians a more versatile wrench solution. Enhances organization: Foam tray storage keeps the set complete, visible, and easy to manage inside a tool chest drawer. Extends tool life: Premium steel construction and protective finish support long-term professional use. Reduces search time: High-visibility tray labeling makes it easier to locate the exact wrench needed quickly. Features: Permanently marked wrench sizes: Bold size stamps on each handle support quick size recognition during use. Reliable ratchet internals: Pawl mechanism is built for consistent engagement under demanding fastening loads. Low-reflection surface finish: Satin chrome surface improves visibility under strong shop lighting. Drawer-friendly tray footprint: Full-size tray is shaped to fit standard tool chest drawers for better storage integration. Dense layered foam build: Tri-layer tray material helps keep each wrench secure and properly seated. Professional storage presentation: High-visibility size callouts support faster inventory checks and cleaner workspace organization.