Description:

Large 4-Way Chuck Key. Designed to Use On Chuck Key Sizes: 5, 6, 7 and 8. Chuck Sizes: 3/8" (10mm), , 3/4" (19mm), 1" (25mm): 1/2" (13mm). Overall Dimensions: 4" x 4" x 1" (L x W x D). Total Weight: 4.5 Ounces.